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HTC Global Services
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I applied via Referral and was interviewed in Feb 2024. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed in Sep 2022. There were 2 interview rounds.
Hash map is an internal data structure that maps keys to values. Comparator is used to compare objects for sorting.
Hash map uses a hash function to map keys to indices in an array
Comparator is used to compare objects for sorting in collections like TreeSet or TreeMap
Example of hash map implementation in Java: HashMap
Example of using a comparator in Java: Collections.sort(list, comparator)
Sample classes for Spring Boot entity, service, and controller layers with annotations
Create entity classes with @Entity and @Id annotations
Create service classes with @Service annotation and inject repository classes with @Autowired annotation
Create controller classes with @RestController and @RequestMapping annotations
Use @GetMapping, @PostMapping, @PutMapping, and @DeleteMapping annotations for HTTP methods
Use @Requ...
Design patterns are reusable solutions to common software problems.
Creational patterns: Singleton, Factory, Abstract Factory, Builder
Structural patterns: Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy
Behavioral patterns: Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, Visitor
I applied via Naukri.com and was interviewed in Mar 2021. There were 3 interview rounds.
Top trending discussions
I applied via Campus Placement and was interviewed before Feb 2023. There were 2 interview rounds.
Just asked some concepts of coding
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Normal APTITUDE SYLLABUS
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
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